Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Tourmaline from
Le Boucheron, Davignac, Ussel, Corrèze, Nouvelle-Aquitaine, France


Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Le Boucheron, Davignac, Ussel, Corrèze, Nouvelle-Aquitaine, France
Data Identifiers
Mindat Occurrence Record ID:247208
Long-form Identifier:1:3:247208:9
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
32.6km (20.3 miles) ⓘThynières gully alluvial deposits, Beaulieu, Mauriac, Cantal, Auvergne-Rhône-Alpes, France
33.8km (21.0 miles) ⓘBeaulieu brook alluvial deposits, Beaulieu, Mauriac, Cantal, Auvergne-Rhône-Alpes, France
34.5km (21.4 miles) ⓘMortagne stream alluvial deposits, La Guinguette, Singles, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
34.7km (21.5 miles) ⓘLa Panouille stream alluvial deposits, Journiac, Sarlat-la-Canéda, Dordogne, Nouvelle-Aquitaine, France
36.2km (22.5 miles) ⓘLa Panouille stream alluvial deposits, La Vialolle, Labessette, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
57.2km (35.5 miles) ⓘPuy-les-Vignes, Saint-Léonard-de-Noblat, Limoges, Haute-Vienne, Nouvelle-Aquitaine, France
63.7km (39.6 miles) ⓘSioulot stream alluvial deposits, Olby, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
65.2km (40.5 miles) ⓘRoure, Saint-Pierre-le-Chastel, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
70.4km (43.8 miles) ⓘPranal, Bromont-Lamothe, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
72.3km (44.9 miles) ⓘEtang de la Gasne alluvial deposits, Sainte-Feyre, Guéret, Creuse, Nouvelle-Aquitaine, France
References
Deliens, M., Lheur, C., Peraud W., Virlogeux D. (2004) Les minéraux d'uranium du Boucheron, près de Davignac (Corrèze). Le Cahier des Micromonteurs, n° 84, 3-25.
 
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